manvi white

  • Since technology can be so simple or so complex, there are many types of technology. One type is mechanical technology, which includes wheels, cams, levers, gears, belts, and engines. Things that turn, or allow motion in one direction to cause a different kind of motion, are mechanical. The wheel is probably one of the most important technological…[Read more]

  • manvi white became a registered member 6 months, 3 weeks ago